USD420020SExpiredUtility

Punching machine

57
Assignee: KK OGURAPriority: Dec 14, 1998Filed: Dec 14, 1998Granted: Feb 1, 2000
Est. expiryDec 14, 2018(expired)· nominal 20-yr term from priority
Inventors:Ko Morita
57
PatentIndex Score
12
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a punching machine, as shown and described.

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